In the United States, the Occupational Safety and Health Administration is under the US Department of Labor. OSHA’s mission is to assure the safety and health of America’s workers by setting and enforcing standards; providing training, outreach, and education; establishing partnerships; and encouraging continual improvement in workplace Health and Safety. They have an excellent website, full of valuable information. www.osha.gov
They also have a separate service for small business assistance:
Office of Small Business Assistance Directorate of Cooperative and State Programs
200 Constitution Avenue, NW – Room N-3660
Washington, DC 20210
(202) 693-2220